Vulnerability-Lookup

Vulnerability from cleanstart

Published

2026-07-30 07:10

Modified

2026-07-30 09:36

Summary

Security fixes in tekton-pipelines-fips 1.7.0-r0

Details

Package tekton-pipelines-fips version 1.7.0-r0 fixes 14 vulnerabilities: ghsa-p77j-4mvh-x3m3, ghsa-p436-gjf2-799p, ghsa-78h2-9frx-2jm8, CVE-2025-15558, CVE-2026-34986...

References

URL

Type

https://github.com/tektoncd/pipeline

WEB

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Alpine",
        "name": "tekton-pipelines-fips"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.7.0-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.7.0-r0"
      ]
    }
  ],
  "credits": [],
  "database_specific": {},
  "details": "Package tekton-pipelines-fips version 1.7.0-r0 fixes 14 vulnerabilities: ghsa-p77j-4mvh-x3m3, ghsa-p436-gjf2-799p, ghsa-78h2-9frx-2jm8, CVE-2025-15558, CVE-2026-34986...",
  "id": "CLEANSTART-2026-FI63843",
  "modified": "2026-07-30T09:36:39Z",
  "published": "2026-07-30T07:10:53Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/tektoncd/pipeline"
    }
  ],
  "related": [],
  "schema_version": "1.7.3",
  "summary": "Security fixes in tekton-pipelines-fips 1.7.0-r0",
  "upstream": [
    "ghsa-p77j-4mvh-x3m3",
    "ghsa-p436-gjf2-799p",
    "ghsa-78h2-9frx-2jm8",
    "CVE-2025-15558",
    "CVE-2026-34986",
    "CVE-2026-33186",
    "ghsa-mh2q-q3fh-2475",
    "ghsa-9h8m-3fm2-qjrq",
    "ghsa-hfvc-g4fc-pqhx",
    "ghsa-w8rr-5gcm-pp58",
    "CVE-2026-39882",
    "CVE-2026-24051",
    "CVE-2026-39883",
    "CVE-2025-15558"
  ]
}

GHSA-P436-GJF2-799P

Vulnerability from github – Published: 2026-03-05 00:10 – Updated: 2026-03-31 14:21

Summary

Docker CLI Plugins: Uncontrolled Search Path Element Leads to Local Privilege Escalation on Windows

Details

This issue affects Docker CLI through 29.1.5

Impact

Docker CLI for Windows searches for plugin binaries in C:\ProgramData\Docker\cli-plugins, a directory that does not exist by default. A low-privileged attacker can create this directory and place malicious CLI plugin binaries (docker-compose.exe, docker-buildx.exe, etc.) that are executed when a victim user opens Docker Desktop or invokes Docker CLI plugin features, and allow privilege-escalation if the docker CLI is executed as a privileged user.

This issue affects Docker CLI through v29.1.5 (fixed in v29.2.0). It impacts Windows binaries acting as a CLI plugin manager via the github.com/docker/cli/cli-plugins/manager package, which is consumed by downstream projects such as Docker Compose.

Docker Compose became affected starting in v2.31.0, when it incorporated the relevant CLI plugin manager code (see https://github.com/docker/compose/pull/12300), and is fixed in v5.1.0.

This issue does not impact non-Windows binaries or projects that do not use the plugin manager code.

Patches

Fixed version starts with 29.2.0

This issue was fixed in https://github.com/docker/cli/commit/13759330b1f7e7cb0d67047ea42c5482548ba7fa (https://github.com/docker/cli/pull/6713), which removed %PROGRAMDATA%\Docker\cli-plugins from the list of paths used for plugin-discovery on Windows.

Workarounds

None

Resources

Pull request: "cli-plugins/manager: remove legacy system-wide cli-plugin path" (https://github.com/docker/cli/pull/6713)
Patch: https://github.com/docker/cli/commit/13759330b1f7e7cb0d67047ea42c5482548ba7fa.patch

Credits

Nitesh Surana (niteshsurana.com) of Trend Research of TrendAI

Severity

7.0 (High)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/docker/cli"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "19.03.0"
            },
            {
              "fixed": "29.2.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-15558"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-427"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-05T00:10:40Z",
    "nvd_published_at": "2026-03-04T17:16:14Z",
    "severity": "HIGH"
  },
  "details": "This issue affects Docker CLI through 29.1.5\n\n### Impact\n\nDocker CLI for Windows searches for plugin binaries in `C:\\ProgramData\\Docker\\cli-plugins`, a directory that does not exist by default. A low-privileged attacker can create this directory and place malicious CLI plugin binaries (docker-compose.exe, docker-buildx.exe, etc.) that are executed when a victim user opens Docker Desktop or invokes Docker CLI plugin features, and allow privilege-escalation if the `docker` CLI is executed as a privileged user.\n\nThis issue affects Docker CLI through v29.1.5 (fixed in v29.2.0). It impacts Windows binaries acting as a CLI plugin manager via the [`github.com/docker/cli/cli-plugins/manager`](https://pkg.go.dev/github.com/docker/cli@v29.1.5+incompatible/cli-plugins/manager) package, which is consumed by downstream projects such as Docker Compose.\n\nDocker Compose became affected starting in v2.31.0, when it incorporated the relevant CLI plugin manager code (see https://github.com/docker/compose/pull/12300), and is fixed in v5.1.0.\n\nThis issue does not impact non-Windows binaries or projects that do not use the plugin manager code.\n\n### Patches\n\nFixed version starts with 29.2.0\n\nThis issue was fixed in https://github.com/docker/cli/commit/13759330b1f7e7cb0d67047ea42c5482548ba7fa (https://github.com/docker/cli/pull/6713), which removed `%PROGRAMDATA%\\Docker\\cli-plugins` from the list of paths used for plugin-discovery on Windows.\n\n### Workarounds\n\nNone\n\n### Resources\n\n- Pull request: \"cli-plugins/manager: remove legacy system-wide cli-plugin path\" (https://github.com/docker/cli/pull/6713)\n- Patch: https://github.com/docker/cli/commit/13759330b1f7e7cb0d67047ea42c5482548ba7fa.patch\n\n### Credits\n\nNitesh Surana (niteshsurana.com) of Trend Research of TrendAI",
  "id": "GHSA-p436-gjf2-799p",
  "modified": "2026-03-31T14:21:14Z",
  "published": "2026-03-05T00:10:40Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/docker/cli/security/advisories/GHSA-p436-gjf2-799p"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-15558"
    },
    {
      "type": "WEB",
      "url": "https://github.com/docker/cli/pull/6713"
    },
    {
      "type": "WEB",
      "url": "https://github.com/docker/compose/pull/12300"
    },
    {
      "type": "WEB",
      "url": "https://github.com/docker/cli/commit/13759330b1f7e7cb0d67047ea42c5482548ba7fa"
    },
    {
      "type": "WEB",
      "url": "https://docs.docker.com/desktop/release-notes"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/docker/cli"
    },
    {
      "type": "WEB",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-CAN-28304"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Docker CLI Plugins: Uncontrolled Search Path Element Leads to Local Privilege Escalation on Windows"
}

GHSA-P77J-4MVH-X3M3

Vulnerability from github – Published: 2026-03-18 20:10 – Updated: 2026-03-25 18:12

Summary

gRPC-Go has an authorization bypass via missing leading slash in :path

Details

Impact

What kind of vulnerability is it? Who is impacted?

It is an Authorization Bypass resulting from Improper Input Validation of the HTTP/2 :path pseudo-header.

The gRPC-Go server was too lenient in its routing logic, accepting requests where the :path omitted the mandatory leading slash (e.g., Service/Method instead of /Service/Method). While the server successfully routed these requests to the correct handler, authorization interceptors (including the official grpc/authz package) evaluated the raw, non-canonical path string. Consequently, "deny" rules defined using canonical paths (starting with /) failed to match the incoming request, allowing it to bypass the policy if a fallback "allow" rule was present.

Who is impacted? This affects gRPC-Go servers that meet both of the following criteria: 1. They use path-based authorization interceptors, such as the official RBAC implementation in google.golang.org/grpc/authz or custom interceptors relying on info.FullMethod or grpc.Method(ctx). 2. Their security policy contains specific "deny" rules for canonical paths but allows other requests by default (a fallback "allow" rule).

The vulnerability is exploitable by an attacker who can send raw HTTP/2 frames with malformed :path headers directly to the gRPC server.

Patches

Has the problem been patched? What versions should users upgrade to?

Yes, the issue has been patched. The fix ensures that any request with a :path that does not start with a leading slash is immediately rejected with a codes.Unimplemented error, preventing it from reaching authorization interceptors or handlers with a non-canonical path string.

Users should upgrade to the following versions (or newer): * v1.79.3 * The latest master branch.

It is recommended that all users employing path-based authorization (especially grpc/authz) upgrade as soon as the patch is available in a tagged release.

Workarounds

Is there a way for users to fix or remediate the vulnerability without upgrading?

While upgrading is the most secure and recommended path, users can mitigate the vulnerability using one of the following methods:

1. Use a Validating Interceptor (Recommended Mitigation)

Add an "outermost" interceptor to your server that validates the path before any other authorization logic runs:

func pathValidationInterceptor(ctx context.Context, req any, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (any, error) {
    if info.FullMethod == "" || info.FullMethod[0] != '/' {
        return nil, status.Errorf(codes.Unimplemented, "malformed method name")
    }   
    return handler(ctx, req)
}

// Ensure this is the FIRST interceptor in your chain
s := grpc.NewServer(
    grpc.ChainUnaryInterceptor(pathValidationInterceptor, authzInterceptor),
)

2. Infrastructure-Level Normalization

If your gRPC server is behind a reverse proxy or load balancer (such as Envoy, NGINX, or an L7 Cloud Load Balancer), ensure it is configured to enforce strict HTTP/2 compliance for pseudo-headers and reject or normalize requests where the :path header does not start with a leading slash.

3. Policy Hardening

Switch to a "default deny" posture in your authorization policies (explicitly listing all allowed paths and denying everything else) to reduce the risk of bypasses via malformed inputs.

Severity

9.1 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "google.golang.org/grpc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.79.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-33186"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-285"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-18T20:10:29Z",
    "nvd_published_at": "2026-03-20T23:16:45Z",
    "severity": "CRITICAL"
  },
  "details": "### Impact\n_What kind of vulnerability is it? Who is impacted?_\n\nIt is an **Authorization Bypass** resulting from **Improper Input Validation** of the HTTP/2 `:path` pseudo-header.\n\nThe gRPC-Go server was too lenient in its routing logic, accepting requests where the `:path` omitted the mandatory leading slash (e.g., `Service/Method` instead of `/Service/Method`). While the server successfully routed these requests to the correct handler, authorization interceptors (including the official `grpc/authz` package) evaluated the raw, non-canonical path string. Consequently, \"deny\" rules defined using canonical paths (starting with `/`) failed to match the incoming request, allowing it to bypass the policy if a fallback \"allow\" rule was present.\n\n**Who is impacted?**\nThis affects gRPC-Go servers that meet both of the following criteria:\n1. They use path-based authorization interceptors, such as the official RBAC implementation in `google.golang.org/grpc/authz` or custom interceptors relying on `info.FullMethod` or `grpc.Method(ctx)`.\n2. Their security policy contains specific \"deny\" rules for canonical paths but allows other requests by default (a fallback \"allow\" rule).\n\nThe vulnerability is exploitable by an attacker who can send raw HTTP/2 frames with malformed `:path` headers directly to the gRPC server.\n\n### Patches\n_Has the problem been patched? What versions should users upgrade to?_\n\nYes, the issue has been patched. The fix ensures that any request with a `:path` that does not start with a leading slash is immediately rejected with a `codes.Unimplemented` error, preventing it from reaching authorization interceptors or handlers with a non-canonical path string.\n\nUsers should upgrade to the following versions (or newer):\n* **v1.79.3**\n* The latest **master** branch.\n\nIt is recommended that all users employing path-based authorization (especially `grpc/authz`) upgrade as soon as the patch is available in a tagged release.\n\n### Workarounds\n_Is there a way for users to fix or remediate the vulnerability without upgrading?_\n\nWhile upgrading is the most secure and recommended path, users can mitigate the vulnerability using one of the following methods:\n\n#### 1. Use a Validating Interceptor (Recommended Mitigation)\nAdd an \"outermost\" interceptor to your server that validates the path before any other authorization logic runs:\n\n```go\nfunc pathValidationInterceptor(ctx context.Context, req any, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (any, error) {\n    if info.FullMethod == \"\" || info.FullMethod[0] != \u0027/\u0027 {\n        return nil, status.Errorf(codes.Unimplemented, \"malformed method name\")\n    }   \n    return handler(ctx, req)\n}\n\n// Ensure this is the FIRST interceptor in your chain\ns := grpc.NewServer(\n    grpc.ChainUnaryInterceptor(pathValidationInterceptor, authzInterceptor),\n)\n```\n\n#### 2. Infrastructure-Level Normalization\nIf your gRPC server is behind a reverse proxy or load balancer (such as Envoy, NGINX, or an L7 Cloud Load Balancer), ensure it is configured to enforce strict HTTP/2 compliance for pseudo-headers and reject or normalize requests where the `:path` header does not start with a leading slash.\n\n#### 3. Policy Hardening\nSwitch to a \"default deny\" posture in your authorization policies (explicitly listing all allowed paths and denying everything else) to reduce the risk of bypasses via malformed inputs.",
  "id": "GHSA-p77j-4mvh-x3m3",
  "modified": "2026-03-25T18:12:09Z",
  "published": "2026-03-18T20:10:29Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/grpc/grpc-go/security/advisories/GHSA-p77j-4mvh-x3m3"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33186"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/grpc/grpc-go"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "gRPC-Go has an authorization bypass via missing leading slash in :path"
}

GHSA-W8RR-5GCM-PP58

Vulnerability from github – Published: 2026-04-08 19:22 – Updated: 2026-04-09 14:29

Summary

opentelemetry-go: OTLP HTTP exporters read unbounded HTTP response bodies

Details

overview: this report shows that the otlp HTTP exporters (traces/metrics/logs) read the full HTTP response body into an in-memory bytes.Buffer without a size cap.

this is exploitable for memory exhaustion when the configured collector endpoint is attacker-controlled (or a network attacker can mitm the exporter connection).

severity

HIGH

not claiming: this is a remote dos against every default deployment. claiming: if the exporter sends traces to an untrusted collector endpoint (or over a network segment where mitm is realistic), that endpoint can crash the process via a large response body.

callsite (pinned): - exporters/otlp/otlptrace/otlptracehttp/client.go:199 - exporters/otlp/otlptrace/otlptracehttp/client.go:230 - exporters/otlp/otlpmetric/otlpmetrichttp/client.go:170 - exporters/otlp/otlpmetric/otlpmetrichttp/client.go:201 - exporters/otlp/otlplog/otlploghttp/client.go:190 - exporters/otlp/otlplog/otlploghttp/client.go:221

permalinks (pinned): - https://github.com/open-telemetry/opentelemetry-go/blob/248da958375e4dfb4a1105645107be3ef04b1c59/exporters/otlp/otlptrace/otlptracehttp/client.go#L199 - https://github.com/open-telemetry/opentelemetry-go/blob/248da958375e4dfb4a1105645107be3ef04b1c59/exporters/otlp/otlptrace/otlptracehttp/client.go#L230 - https://github.com/open-telemetry/opentelemetry-go/blob/248da958375e4dfb4a1105645107be3ef04b1c59/exporters/otlp/otlpmetric/otlpmetrichttp/client.go#L170 - https://github.com/open-telemetry/opentelemetry-go/blob/248da958375e4dfb4a1105645107be3ef04b1c59/exporters/otlp/otlpmetric/otlpmetrichttp/client.go#L201 - https://github.com/open-telemetry/opentelemetry-go/blob/248da958375e4dfb4a1105645107be3ef04b1c59/exporters/otlp/otlplog/otlploghttp/client.go#L190 - https://github.com/open-telemetry/opentelemetry-go/blob/248da958375e4dfb4a1105645107be3ef04b1c59/exporters/otlp/otlplog/otlploghttp/client.go#L221

root cause: each exporter client reads resp.Body using io.Copy(&respData, resp.Body) into a bytes.Buffer on both success and error paths, with no upper bound.

impact: a malicious collector can force large transient heap allocations during export (peak memory scales with attacker-chosen response size) and can potentially crash the instrumented process (oom).

affected component: - go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp - go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp - go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp

repro (local-only):

unzip poc.zip -d poc
cd poc
make canonical resp_bytes=33554432 chunk_delay_ms=0

expected output contains:

[CALLSITE_HIT]: otlptracehttp.UploadTraces::io.Copy(resp.Body)
[PROOF_MARKER]: resp_bytes=33554432 peak_alloc_bytes=118050512

control (same env, patched target):

unzip poc.zip -d poc
cd poc
make control resp_bytes=33554432 chunk_delay_ms=0

expected control output contains:

[CALLSITE_HIT]: otlptracehttp.UploadTraces::io.Copy(resp.Body)
[NC_MARKER]: resp_bytes=33554432 peak_alloc_bytes=512232

attachments: poc.zip (attached)

PR_DESCRIPTION.md

attack_scenario.md

poc.zip

Fixed in: https://github.com/open-telemetry/opentelemetry-go/pull/8108

Severity

5.3 (Medium)


                  
                    CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.43.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.43.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.19.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-39882"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-789"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-08T19:22:01Z",
    "nvd_published_at": "2026-04-08T21:17:00Z",
    "severity": "MODERATE"
  },
  "details": "overview:\nthis report shows that the otlp HTTP exporters (traces/metrics/logs) read the full HTTP response body into an in-memory `bytes.Buffer` without a size cap.\n\nthis is exploitable for memory exhaustion when the configured collector endpoint is attacker-controlled (or a network attacker can mitm the exporter connection).\n\nseverity\n\nHIGH\n\nnot claiming: this is a remote dos against every default deployment.\nclaiming: if the exporter sends traces to an untrusted collector endpoint (or over a network segment where mitm is realistic), that endpoint can crash the process via a large response body.\n\ncallsite (pinned):\n- exporters/otlp/otlptrace/otlptracehttp/client.go:199\n- exporters/otlp/otlptrace/otlptracehttp/client.go:230\n- exporters/otlp/otlpmetric/otlpmetrichttp/client.go:170\n- exporters/otlp/otlpmetric/otlpmetrichttp/client.go:201\n- exporters/otlp/otlplog/otlploghttp/client.go:190\n- exporters/otlp/otlplog/otlploghttp/client.go:221\n\npermalinks (pinned):\n- https://github.com/open-telemetry/opentelemetry-go/blob/248da958375e4dfb4a1105645107be3ef04b1c59/exporters/otlp/otlptrace/otlptracehttp/client.go#L199\n- https://github.com/open-telemetry/opentelemetry-go/blob/248da958375e4dfb4a1105645107be3ef04b1c59/exporters/otlp/otlptrace/otlptracehttp/client.go#L230\n- https://github.com/open-telemetry/opentelemetry-go/blob/248da958375e4dfb4a1105645107be3ef04b1c59/exporters/otlp/otlpmetric/otlpmetrichttp/client.go#L170\n- https://github.com/open-telemetry/opentelemetry-go/blob/248da958375e4dfb4a1105645107be3ef04b1c59/exporters/otlp/otlpmetric/otlpmetrichttp/client.go#L201\n- https://github.com/open-telemetry/opentelemetry-go/blob/248da958375e4dfb4a1105645107be3ef04b1c59/exporters/otlp/otlplog/otlploghttp/client.go#L190\n- https://github.com/open-telemetry/opentelemetry-go/blob/248da958375e4dfb4a1105645107be3ef04b1c59/exporters/otlp/otlplog/otlploghttp/client.go#L221\n\nroot cause:\neach exporter client reads `resp.Body` using `io.Copy(\u0026respData, resp.Body)` into a `bytes.Buffer` on both success and error paths, with no upper bound.\n\nimpact:\na malicious collector can force large transient heap allocations during export (peak memory scales with attacker-chosen response size) and can potentially crash the instrumented process (oom).\n\naffected component:\n- go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp\n- go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp\n- go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp\n\nrepro (local-only):\n\n```bash\nunzip poc.zip -d poc\ncd poc\nmake canonical resp_bytes=33554432 chunk_delay_ms=0\n```\n\nexpected output contains:\n\n```\n[CALLSITE_HIT]: otlptracehttp.UploadTraces::io.Copy(resp.Body)\n[PROOF_MARKER]: resp_bytes=33554432 peak_alloc_bytes=118050512\n```\n\ncontrol (same env, patched target):\n\n```bash\nunzip poc.zip -d poc\ncd poc\nmake control resp_bytes=33554432 chunk_delay_ms=0\n```\n\nexpected control output contains:\n\n```\n[CALLSITE_HIT]: otlptracehttp.UploadTraces::io.Copy(resp.Body)\n[NC_MARKER]: resp_bytes=33554432 peak_alloc_bytes=512232\n```\n\nattachments: poc.zip (attached)\n\n[PR_DESCRIPTION.md](https://github.com/user-attachments/files/25564272/PR_DESCRIPTION.md)\n\n[attack_scenario.md](https://github.com/user-attachments/files/25564273/attack_scenario.md)\n\n[poc.zip](https://github.com/user-attachments/files/25564271/poc.zip)\n\n\nFixed in: https://github.com/open-telemetry/opentelemetry-go/pull/8108",
  "id": "GHSA-w8rr-5gcm-pp58",
  "modified": "2026-04-09T14:29:37Z",
  "published": "2026-04-08T19:22:01Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-w8rr-5gcm-pp58"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39882"
    },
    {
      "type": "WEB",
      "url": "https://github.com/open-telemetry/opentelemetry-go/pull/8108"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/open-telemetry/opentelemetry-go"
    },
    {
      "type": "WEB",
      "url": "http://github.com/open-telemetry/opentelemetry-go/releases/tag/v1.43.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "opentelemetry-go: OTLP HTTP exporters read unbounded HTTP response bodies"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

Vulnerability from cleanstart

GHSA-P436-GJF2-799P

Impact

Patches

Workarounds

Resources

Credits

GHSA-P77J-4MVH-X3M3

Impact

Patches

Workarounds

1. Use a Validating Interceptor (Recommended Mitigation)

2. Infrastructure-Level Normalization

3. Policy Hardening

GHSA-W8RR-5GCM-PP58

Tags

Sightings

Nomenclature